ret = BN_BLINDING_create_param(NULL, e, rsa->n, ctx,
rsa->meth->bn_mod_exp, rsa->_method_mod_n);
+ if (ret == NULL)
+ {
+ RSAerr(RSA_F_RSA_SETUP_BLINDING, ERR_R_BN_LIB);
+ goto err;
+ }
BN_BLINDING_set_thread_id(ret, CRYPTO_thread_id());
err:
BN_CTX_end(ctx);